/**
 * Copyright (C) 2007 The AsyncMail Group <asyncmail@googlegroups.com>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *         http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.googlecode.asyncmail.smtpserver.handler;

import org.apache.commons.logging.Log;
import org.springframework.beans.factory.annotation.Required;

import com.googlecode.asyncmail.common.MailAddress;
import com.googlecode.asyncmail.smtpserver.SMTPSession;
import com.googlecode.asyncmail.smtpserver.hook.HookResult;
import com.googlecode.asyncmail.smtpserver.hook.HookReturnCode;
import com.googlecode.asyncmail.smtpserver.hook.RcptHook;

/**
 * Handler which whitelist "postmaster" and "abuse" recipients.
 */
public class PostmasterAbuseRcptHook implements RcptHook {

    private Log logger;

    @Required
    public void setLogger(Log logger) {
        this.logger = logger;
    }

    /**
     * @see com.googlecode.asyncmail.smtpserver.hook.RcptHook#doRcpt(com.googlecode.asyncmail.smtpserver.SMTPSession,
     *      org.apache.mailet.MailAddress, org.apache.mailet.MailAddress)
     */
    public HookResult doRcpt(SMTPSession session, MailAddress sender,
            MailAddress rcpt) {
        String localPart = rcpt.getLocalPart();
        if (localPart.equalsIgnoreCase("postmaster")
                || localPart.equalsIgnoreCase("abuse")) {
            logger.debug("Sender allowed");
            return new HookResult(HookReturnCode.OK);
        }
        return new HookResult(HookReturnCode.DECLINED);

    }
}
